I have a monthly subscription to the Montessori Live video library. I like it because they have presentation videos of all the later primary/early elementary math, grammar, as well as videos for the five great lessons.

Finally, if you have time please vote for me today for the Homeschool Blog Awards. You can vote for me EVERY DAY, you can vote more than once if you own mulitiple devices! My category is Best Homeschooling Methods Blog 2012 .